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228198 = 2373521
BaseRepresentation
bin110111101101100110
3102121000210
4313231212
524300243
64520250
71640205
oct675546
9377023
10228198
111464a3
12b0086
137cb39
145d23c
1547933
hex37b66

228198 has 16 divisors (see below), whose sum is σ = 463536. Its totient is φ = 74880.

The previous prime is 228197. The next prime is 228199. The reversal of 228198 is 891822.

It is an interprime number because it is at equal distance from previous prime (228197) and next prime (228199).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178 + ... + 698.

It is an arithmetic number, because the mean of its divisors is an integer number (28971).

2228198 is an apocalyptic number.

228198 is an abundant number, since it is smaller than the sum of its proper divisors (235338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228198 is a wasteful number, since it uses less digits than its factorization.

228198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599.

The product of its digits is 2304, while the sum is 30.

The square root of 228198 is about 477.7007431437. The cubic root of 228198 is about 61.1088266058.

The spelling of 228198 in words is "two hundred twenty-eight thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 73 146 219 438 521 1042 1563 3126 38033 76066 114099 228198